P
PatentIndex
Search
Landscape
Sign in
Inventor
BOTSCH HANSJUERGEN
DE
2 patents
Patents
2 patents
US4666618A
May 19, 1987
Preparation and use of sulphur-containing polyether-urethanes
BAYER AG
6 citations
59
US4603738A
Aug 5, 1986
Process and means for preventing blockages of crude oil deposits by the formation of emulsion due to deposits of asphalt
BAYER AG
3 citations
59